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Non-Euclidian Geometry Explained [video]
- peter_d_sherman 6y agoThis is amazing! This video compares and contrasts three different types of Geometries: o Spherical Geometry o Euclidian Geometry (the one we all know) o Hyperbolic Geometry With the wonderful property that Spherical Geometry is sort of the opposite of Hyperbolic Geometry... (Note to self, have to do more research on this!), i.e., Circumference of a circle: Spherical: 2 x pi x sin(r) Euclidian: 2 x pi x r Hyperbolic: 2 x pi x sinh(r)